A - Human Necessities – 46 – D
Patent
A - Human Necessities
46
D
A46D 1/00 (2006.01) A46B 9/04 (2006.01)
Patent
CA 2619961
The present invention discloses filaments with varying diameter along its length. This variation in diameter along the length of the filaments, when assembled into a toothbrush tuft improves both the interproximal cleaning and the scrubbing effectiveness of the toothbrush.
La présente invention a trait à des filaments de divers diamètres sur leur longueur. Cette variation du diamètre sur la longueur des filaments, lorsqu'ils sont assemblés en une touffe pour brosse à dents, améliore le nettoyage interproximal et l'efficacité du brossage de la brosse à dents.
E.i. Du Pont de Nemours And Company
Torys Llp
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